Mental math is something that can be done i your head.
for example you can do 1+1 in your head and you dont need a calculator or paper to do it so i would be called mental math
Hope this helps
remember if you ever need anything and you dont want to waste points you can just post it on my pfp or message me the question
Answer:
The answer is,surface area= ✓<u>416</u>
Answer: the answer is 180 
Step-by-step explanation:
Area of a rectangle multiply length times base. 15 x 12 = 180. Hope this helps!
To move a graph up c units, add c to the whole function
so basicaly what you did is you subtraced 3 from the whole function
the whole graph shifts 3 units down
B is answer
Answer:
48 in³
Step-by-step explanation:
The volume (V) of a pyramid is calculated as
V =
× area of base × height
here area of base = 24 and height = 6, so
V =
× 24 × 6 = 8 × 6 = 48 in³